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Common Stock (Tables)

12 Months Ended

Dec. 31, 2018

Common Stock [Abstract]

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

Authorized: Unlimited number of non-par value common shares.
	2018				2017
Issued and outstanding:	millions of shares	millions of Canadian dollars			millions of shares	millions of Canadian dollars
Balance, December 31, 2017	228.77	$	5,601		210.02	$	4,738
Conversion of Convertible Debentures	0.01		-		0.15		6
Issuance of common stock (1)	0.45		22		14.61		680
Issued under Purchase Plans at market rate	4.87		200		3.89		182
Discount on shares purchased under Dividend Reinvestment Plan	-		(9)		-		(9)
Options exercised under senior management share option plan	0.02		1		0.10		3
Employee Share Purchase Plan	-		1		-		1
Balance, December 31, 2018	234.12	$	5,816		228.77	$	5,601
(1) In Q1 2018, Emera issued 0.45 million common shares to facilitate the creation and issuance of 1.8 million depository receipts in connection with the ICDU share acquisition. The depository receipts are listed on the Bahamas International Securities Exchange.

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Tabular disclosure of the change in common stock outstanding.

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